/*
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef OHOS_DISTRIBUTED_HARDWARE_DH_TIMER_H
#define OHOS_DISTRIBUTED_HARDWARE_DH_TIMER_H

#include <condition_variable>
#include <cstdint>
#include <memory>
#include <mutex>
#include <thread>

#include "event_handler.h"

namespace OHOS {
namespace DistributedHardware {
class DHTimer {
public:
    DHTimer(std::string timerId, int32_t delayTimeMs);
    virtual ~DHTimer();
    void StartTimer();
    void StopTimer();

private:
    virtual void ExecuteInner() = 0;
    virtual void HandleStopTimer() = 0;
    void InitTimer();
    void ReleaseTimer();
    void Execute();
    void StartEventRunner();

private:
    std::thread eventHandlerThread_;
    std::mutex timerMutex_;
    std::condition_variable timerCond_;
    std::shared_ptr<OHOS::AppExecFwk::EventHandler> eventHandler_;
    std::string timerId_;
    int32_t delayTimeMs_;
};
} // namespace DistributedHardware
} // namespace OHOS
#endif
